[alsa-devel] [PATCH] asoc/multi-component: fsl: add support for variable SSI FIFO depth

Mark Brown broonie at opensource.wolfsonmicro.com
Thu Aug 5 15:51:53 CEST 2010

On Thu, Aug 05, 2010 at 08:14:43AM -0500, Timur Tabi wrote:
> On Thu, Aug 5, 2010 at 6:10 AM, Mark Brown

> > My first thought with this is that it's not something I'd expect to be
> > in the device tree at all - it looks like it's all properties of the
> > silicon which I'd expect the drivers to be able to figure out for
> > themselves without needing to be told by the device tree.

> There is no way for the software to know what the FIFO depth is, so
> this is the sort of thing that should be in the device tree.

Are you saying that every DT for a system doing audio on a PowerPC
system has to manually specify the depth of the FIFO on the silicon?
That doesn't sound particularly sensible, and I had been under the
impression that DT systems had a better way of coping with this.

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